公开(公告)号：US09642120B2

公开(公告)日：2017-05-02

申请号：US13907101

申请日：2013-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Jee-Woong Kang ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Sung-Woo Park

IPC: H04L12/28 ,  H04W72/04 ,  H04B7/04 ,  H04L25/03 ,  H04L5/00 ,  H04J1/16 ,  H04B7/024

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B7/0473 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04L25/03949 ,  H04W88/02

Abstract: A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode.

公开(公告)号：US20170208578A1

公开(公告)日：2017-07-20

申请号：US15473766

申请日：2017-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph JEON ,  Jee-Woong Kang ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Sung-Woo Park

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/04 ,  H04B7/024

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B7/0473 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04L25/03949 ,  H04W88/02

Abstract: A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode.

公开(公告)号：US20140321299A1

公开(公告)日：2014-10-30

申请号：US14041499

申请日：2013-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-Yong Kim ,  Ho-Joong Kwon ,  Joseph Jeon ,  June Moon ,  Young-Goo Han

IPC: H04W24/08

CPC classification number: H04W24/08 ,  H04B17/309 ,  H04L1/0026 ,  H04L5/0035 ,  H04W72/04

Abstract: A method and apparatus are provided for determining channel quality in a wireless communication system. The method includes receiving Channel Quality Information (CQI) from a receiver; generating a channel quality reference value by correcting the received CQI using first resource use/nonuse information received from a scheduler that indicates whether an adjacent cell used resources at a previous time, and received signal power information measured in the adjacent cell; and determining a channel quality value at a current time using the generated channel quality reference value and second resource use/nonuse information received from the scheduler that indicates whether an adjacent cell uses resources at the current time.

Abstract translation: 提供了一种用于确定无线通信系统中的信道质量的方法和装置。 该方法包括从接收机接收信道质量信息（CQI）; 通过使用指示相邻小区是否在先前使用的资源的调度器接收到的第一资源使用/不使用信息以及在相邻小区中测量的接收信号功率信息来校正接收到的CQI来生成信道质量参考值; 以及使用生成的信道质量参考值和从调度器接收的指示相邻小区在当前时间是否使用资源的第二资源使用/不使用信息来确定当前时间的信道质量值。

公开(公告)号：US10098094B2

公开(公告)日：2018-10-09

申请号：US15473766

申请日：2017-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Jee-Woong Kang ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Sung-Woo Park

IPC: H04L12/28 ,  H04W72/04 ,  H04B7/024 ,  H04B7/0456 ,  H04L25/03 ,  H04L5/00 ,  H04J1/16 ,  H04W88/02

Abstract: A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode.

公开(公告)号：US09225466B2

公开(公告)日：2015-12-29

申请号：US14219663

申请日：2014-03-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Eun-Yong Kim ,  Ho-Joong Kwon

IPC: H04W36/00 ,  H04L1/00 ,  H04W28/22 ,  H04W72/08

CPC classification number: H04L1/0002 ,  H04W28/22 ,  H04W72/082

Abstract: Methods and apparatus are provided for controlling interference by a TP in a wireless communication system. A first message, which includes channel quality information for the TP, is received from a terminal to which the TP provides a communication service. A second message, which includes received power information for a reference signal received from the terminal, is received from at least one neighbor TP. A data transmission rate is determined for the terminal based on the channel quality information and the received power information.

Abstract translation: 提供了用于在无线通信系统中控制TP的干扰的方法和装置。 从TP提供通信服务的终端接收包括TP的信道质量信息的第一消息。 从至少一个邻居TP接收包括从终端接收的参考信号的接收功率信息的第二消息。 基于信道质量信息和接收到的功率信息确定终端的数据传输速率。

公开(公告)号：US20140287788A1

公开(公告)日：2014-09-25

申请号：US14219663

申请日：2014-03-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph JEON ,  Eun-Yong Kim ,  Ho-Joong Kwon

IPC: H04L1/00 ,  H04W24/02

CPC classification number: H04L1/0002 ,  H04W28/22 ,  H04W72/082

Abstract: Methods and apparatus are provided for controlling interference by a TP in a wireless communication system. A first message, which includes channel quality information for the TP, is received from a terminal to which the TP provides a communication service. A second message, which includes received power information for a reference signal received from the terminal, is received from at least one neighbor TP. A data transmission rate is determined for the terminal based on the channel quality information and the received power information.

Abstract translation: 提供了用于在无线通信系统中控制TP的干扰的方法和装置。 从TP提供通信服务的终端接收包括TP的信道质量信息的第一消息。 从至少一个邻居TP接收包括从终端接收的参考信号的接收功率信息的第二消息。 基于信道质量信息和接收到的功率信息确定终端的数据传输速率。

公开(公告)号：US09887744B2

公开(公告)日：2018-02-06

申请号：US14653767

申请日：2013-12-18

Applicant: Samsung Electronics Co., Ltd

Inventor： Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Keon-Wook Lee

IPC: H04B7/04 ,  H04B7/024 ,  H04B7/0495 ,  H04L25/03

CPC classification number: H04B7/024 ,  H04B7/0486 ,  H04B7/0495 ,  H04L25/03343 ,  H04L25/03891

Abstract: The present invention relates to a method by which a base station performs multiple input and multiple output (MIMO) transmission using antennas of a plurality of cells in a multi-cell wireless communication system, the method comprising the steps of: selecting a rank value and cells for downlink MIMO transmission of a terminal on the basis of measurement information of the base station and the terminal, and determining a precoding matrix according to the rank value; and generating data which is to be transmitted to the terminal as data streams corresponding to the selected rank value, and mapping the data streams to antennas of the selected cells through a precoder so as to transmit the data streams to the terminal.

公开(公告)号：US09357529B2

公开(公告)日：2016-05-31

申请号：US14372409

申请日：2013-01-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon

IPC: H04W72/00 ,  H04W72/04 ,  H04B7/02 ,  H04W76/00 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04W72/04 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0048 ,  H04W76/00 ,  H04W76/15

Abstract: The present invention relates to a method and apparatus for transmitting data in a wireless communication system for supporting multi-cells formed of a plurality of sub-cells. The method includes the steps of: connecting at least one virtual transmission port to each of the plurality of sub-cells; determining the transmission mode for a terminal on the basis of channel states between at least two of the plurality of sub-cells and the terminal; and transmitting data for each sub-cell to the terminal through at least one virtual transmission port connected to a corresponding sub-cell on the basis of the determined transmission mode.

Abstract translation: 本发明涉及在用于支持由多个子小区形成的多小区的无线通信系统中发送数据的方法和装置。 该方法包括以下步骤：将至少一个虚拟传输端口连接到多个子单元中的每一个; 基于所述多个子小区中的至少两个与所述终端之间的信道状态来确定终端的传输模式; 以及基于所确定的传输模式，通过连接到对应的子小区的至少一个虚拟传输端口向终端发送每个子小区的数据。

公开(公告)号：US20150326295A1

公开(公告)日：2015-11-12

申请号：US14653767

申请日：2013-12-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Keon-Wook Lee

IPC: H04B7/04 ,  H04B7/02

CPC classification number: H04B7/024 ,  H04B7/0486 ,  H04B7/0495 ,  H04L25/03343 ,  H04L25/03891

Abstract: The present invention relates to a method by which a base station performs multiple input and multiple output (MIMO) transmission using antennas of a plurality of cells in a multi-cell wireless communication system, the method comprising the steps of: selecting a rank value and cells for downlink MIMO transmission of a terminal on the basis of measurement information of the base station and the terminal, and determining a precoding matrix according to the rank value; and generating data which is to be transmitted to the terminal as data streams corresponding to the selected rank value, and mapping the data streams to antennas of the selected cells through a precoder so as to transmit the data streams to the terminal.

Abstract translation: 本发明涉及一种基站通过多小区无线通信系统中的多个小区的天线进行多输入多输出（MIMO）传输的方法，该方法包括以下步骤：选择秩值和 基于所述基站和所述终端的测量信息进行终端的下行链路MIMO传输的小区，根据所述等级值确定预编码矩阵; 以及将要发送到终端的数据作为与所选择的等级值相对应的数据流，并且通过预编码器将数据流映射到所选择的小区的天线，以将数据流发送到终端。

公开(公告)号：US09094867B2

公开(公告)日：2015-07-28

申请号：US14041499

申请日：2013-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eun-Yong Kim ,  Ho-Joong Kwon ,  Joseph Jeon ,  June Moon ,  Young-Goo Han

IPC: H04W24/00 ,  H04W24/08 ,  H04W72/04

CPC classification number: H04W24/08 ,  H04B17/309 ,  H04L1/0026 ,  H04L5/0035 ,  H04W72/04

Abstract: A method and apparatus are provided for determining channel quality in a wireless communication system. The method includes receiving Channel Quality Information (CQI) from a receiver; generating a channel quality reference value by correcting the received CQI using first resource use/nonuse information received from a scheduler that indicates whether an adjacent cell used resources at a previous time, and received signal power information measured in the adjacent cell; and determining a channel quality value at a current time using the generated channel quality reference value and second resource use/nonuse information received from the scheduler that indicates whether an adjacent cell uses resources at the current time.

Abstract translation: 提供了一种用于确定无线通信系统中的信道质量的方法和装置。 该方法包括从接收机接收信道质量信息（CQI）; 通过使用指示相邻小区是否在先前使用的资源的调度器接收到的第一资源使用/不使用信息以及在相邻小区中测量的接收信号功率信息来校正接收到的CQI来生成信道质量参考值; 以及使用生成的信道质量参考值和从调度器接收的指示相邻小区在当前时间是否使用资源的第二资源使用/不使用信息来确定当前时间的信道质量值。